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  <h1 class="refname">Iterator::next</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">Iterator::next</span> &mdash; <span class="dc-title">向前移动到下一个元素</span></p>

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 <div class="refsect1 description" id="refsect1-iterator.next-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Iterator::next</strong></span>(): <span class="type"><span class="type void">void</span></span></div>

  <p class="para rdfs-comment">
   移动当前位置到下一个元素。
  </p>
  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
   此方法在 <a href="control-structures.foreach.html" class="link">foreach</a> 循环<em class="emphasis">之后</em>被调用。
   </p>
  </p></blockquote>
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 <div class="refsect1 parameters" id="refsect1-iterator.next-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-iterator.next-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   任何返回都将被忽略。
  </p>
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